Debt Subsequent Event (Details) (Repayment of Debt Offer [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	May 15, 2012	Apr. 09, 2012
Subsequent Event [Line Items]
Debt Covenant Requirement, Threshold of Individual Sales to Qualify as Excess Timberland Sales Proceeds	$ 10
Debt Covenant Requirement, Limit of Non-reinvestment of Excess Timberland Sales Proceeds	50
Debt Covenant Requirement, Period of Repayment Offer, Period Start			April 2012
Debt Covenant Requirement, Amount of Repayment Offer			59.9
Debt Covenant Requirement, Period of Repayment Offer, Period End		May 15, 2012
Debt Covenant Requirement, Excess Timberland Sales Proceeds After Repayment Offer	zero
Installment note due 2014 at a fixed interest rate of 8.64% [Member]
Subsequent Event [Line Items]
Debt Instrument, Face Amount	$ 112.5